APA (7th ed.) Citation

Richards, H. E. (1912). Sovereignty over the air: A lecture delivered before the University of Oxford, on October 26, 1912. At the Clarendon Press.

Chicago Style (17th ed.) Citation

Richards, H. Erle. Sovereignty over the Air: A Lecture Delivered Before the University of Oxford, on October 26, 1912. Oxford: At the Clarendon Press, 1912.

MLA (9th ed.) Citation

Richards, H. Erle. Sovereignty over the Air: A Lecture Delivered Before the University of Oxford, on October 26, 1912. At the Clarendon Press, 1912.